Pseudostellaria heterophylla (also known as Hai Er Shen) is a perennial herbaceous plant that grows beneath a mountain tree, It grows 10 to 15 cm high. One or two main stems that come out straight and have lined white hairs. The leaves are lanceolate. The leaves on the upper part are slightly larger and the leaves on the lower part become narrower like petiole.

In May, one flower runs on a peduncle that comes up from the axilla of white flowers.
Calyxes and petals are five each, and it shaped like an egg turned upside down. There are 10 stamens and three styles. The fruit is shaped like a capsule, round. and divided into three branches which ripens in June to July, . The seeds are dense with small projections.

It can be eaten as a salad or as ricocheted or lightly cooked as Korean style herbal side dish. You can fry the whole including roots, or you can dip the sugar and the enzyme into it. Its root resembles those for young ginseng and also it tastes like ginseng. it can be eaten with rice. You can collect the roots, soak them in the alcohol, and drink them or drink them in the same way as tea.

It has similar effects to ginseng and has no side effects, so anyone can eat it. It can strengthen the stomach, lower the fever, and produce the essence. It is mainly used for weak children to protect their Qi and after illness. it regulates appetite decay and brittle symptoms caused by weakness or lack of stomach fluid. Also, it is effective for symptoms such as dry coughing caused by the lungs, swelling of the chest, anxiety due to the swelling of the chest, and sweating due to hypothermia.